--- version: rssac002v3 service: j.root-servers.net start-period: '2019-12-12T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 9126842326 dns-udp-queries-received-ipv6: 1314992387 dns-tcp-queries-received-ipv4: 643278532 dns-tcp-queries-received-ipv6: 125078556 dns-udp-responses-sent-ipv4: 8378405658 dns-udp-responses-sent-ipv6: 1250182855 dns-tcp-responses-sent-ipv4: 467389038 dns-tcp-responses-sent-ipv6: 103355554